Abstract: A grease gun comprising a body having first and second chambers, first and second pistons within those first and second chambers, primary and secondary grease channels, a grease outlet and an actuator, is provided. Actuation of the actuator by a user causes first and second pistons to move within first and second chambers. The body may further comprise a pressure sensitive spool which allows the grease gun to move from a high flow/low pressure operation to a high pressure/low flow operation when there is a grease blockage that causes an increase in the pressure in the body.

Abstract: A portable grout device is provided. The device includes a grout hopper, a cylindrical tube portion connected to and operable to receive grout from the grout hopper, and a drive shaft and auger assembly within the cylindrical tube portion. The drive shaft and auger assembly includes a central shaft and a helical auger screw operable to push the grout out of an end of the cylindrical tube portion.

Abstract: A grease dispensing device includes a grease drive system for moving grease through grease passaging. A sensor is arranged to sense grease in the grease passaging and to generate sensor data related thereto. After a delay period, a prime indicator changes between first and second states based on the sensor data to indicate whether or not the grease dispensing device is primed with grease. The grease dispensing device also includes a grease controller operatively connected to the sensor and the prime indicator. The grease dispensing device monitors the sensor data to determine whether the grease dispensing device is primed with grease and controls the operation of the prime indicator accordingly.

Abstract: A grease gun cylinder walled cartridge adapted for direct attachment to any of a variety of grease gun head constructions and grease pumping systems, wherein the cartridge wall can be of any color or completely clear and see through, wherein the grease column within the cartridge is pressured toward and through an inlet port in the gun head, which port opens on the suction stroke of a piston mounted in said cylinder into a loading portion of a cylinder of the grease pumping system, and wherein the grease column pressuring means is ambient air pressure.

Abstract: A pipe connecting tool having a pipe joining material section including a pipe joining material container, a conduit from the pipe joining material container to a delivery nozzle, and a heater in thermal communication with at least a portion of the pipe joining material section. The pipe connecting tool may include one or both of a sensor for determining when a cavity has been filled by pipe joining material ejected from the delivery nozzle and a drill module.

Abstract: A substance dispensing system that includes a hydraulic drive system is disclosed. The hydraulic drive system includes a hydraulic valve having a variable pressure setting, the hydraulic valve operable between a closed position in which a hydraulic pump moves hydraulic fluid to a hydraulic cylinder and an open position in which the hydraulic pump moves the hydraulic fluid to a hydraulic reservoir. The substance dispensing system of the present disclosure provides a system that recirculates hydraulic fluid in a hydraulic drive system instead of recirculating a substance back to a container via a pump. The substance dispensing system of the present disclosure allows for precise, accurate, and instantaneous control of an external force in a substance dispensing system.

Abstract: An electrical tool includes a trigger lock assembly having a trigger lock member, a detent assembly, and a return spring. The trigger lock member is movable relative to a trigger between a neutral position, in which the trigger is movable between an off position and an on position, a lock-off position, in which the trigger is prevented from moving from the off position, and a lock-on position, in which the trigger is maintained in the on position. The detent assembly is operable to releaseably retain the trigger lock member in each position and includes a recess associated with each position. The detent assembly also includes a projection selectively engageable in one of the recesses to releasably retain the trigger lock member in the associated position, and a biasing member biasing the projection into engagement. The return spring is operable to bias the trigger lock member toward the neutral position.

Abstract: The liquid material discharge device and method discharges a liquid droplet even under a condition where discharge of a small amount of liquid material is required. The apparatus has a liquid chamber having the discharge opening through which the liquid material is discharged, an extrusion member having a plunger and a contact portion, the plunger being thinner than the liquid chamber not to contact a side wall of the liquid chamber and having a forward end portion which advances and retracts within the liquid chamber, and a collision member disposed adjacent to the extrusion member on the side opposite to the plunger and having a piston and a collision portion facing the contact portion. The collision portion collides against the contact portion such that the extrusion member is advanced at a high speed to discharge the liquid material.

Abstract: A lubricant dispenser and an electrical tool. The dispenser includes a housing; a reservoir for containing lubricant; a pump assembly operable to pump lubricant; and a purge assembly including a channel defined by the housing and extending between the reservoir and atmosphere, at least a portion of the channel extending along a channel axis through an opening in the housing and to atmosphere, and a plunger slidable along a plunger axis between a sealed position, in which the reservoir is isolated from atmosphere, and an open position, in which the reservoir is in fluid communication with atmosphere, the plunger axis extending at an angle with respect to the channel axis. The purge assembly may include a biasing member operable to bias the plunger toward the sealed position. The tool may be a dispenser and may include a motor supported by the housing; a trigger; and a trigger lock assembly.

Abstract: A modular platen assembly comprises an annular hub, a wiper ring assembly and a coupling ring. The annular hub is for connecting to a ram of an inductor pump. The wiper ring assembly includes an annular wiper for sealing with a container. The coupling ring is independently joined to the hub and the wiper ring assembly at first and second connections, respectively.

Abstract: An improved grease gun head has a rotating cylindrical lobed channel situated within the head so that the grease gun may utilize its own grease pump to refill its grease reservoir. The channel and configuration of ports may also be modified to remove the need for rotation of the grease channel.

Abstract: A grease gun includes a housing, a motor positioned within the housing, a pump assembly coupled to and driven by the motor, and a chamber supported by the housing in fluid communication with the pump assembly. The chamber is configured to store a liquid. The grease gun also includes an outlet in fluid communication with the chamber and a measurement system operable to measure an amount of liquid being dispensed through the outlet. The measurement system monitors a change in current of the motor over a cycle of the pump assembly, compares the change in current to a predetermined value, and, if the change in current is greater than the predetermined value, increases a pump cycle counter to indicate that liquid was dispensed.

Abstract: A device for discharging a constant amount of a high-viscosity material, capable of accurately discharging the material even if the material is sent under high pressure. A device for discharging a constant amount of a high-viscosity material, provided with: a discharge unit (400) having a discharge opening which discharges the high-viscosity material; a holding unit (300) having a holding area which holds the high-viscosity material, a receiving opening which supplies the high-viscosity material to the holding area, and a delivery opening which delivers the high-viscosity material to the discharge unit; and a high-pressure supply pump (100) for supplying to the holding unit under a first pressure the high-viscosity material having been filled into a container.

Abstract: The liquid material discharge device and method discharges a liquid droplet even under a condition where discharge of a small amount of liquid material is required. The apparatus has a liquid chamber having the discharge opening through which the liquid material is discharged, an extrusion member having a plunger and a contact portion, the plunger being thinner than the liquid chamber not to contact a side wall of the liquid chamber and having a forward end portion which advances and retracts within the liquid chamber, and a collision member disposed adjacent to the extrusion member on the side opposite to the plunger and having a piston and a collision portion facing the contact portion. The collision portion collides against the contact portion such that the extrusion member is advanced at a high speed to discharge the liquid material.

Abstract: The invention relates to a dispensing device (11) for containers (33) containing a compound, comprising a compartment (12) for the container, with a piston rod (13) that can be moved relative to the compartment (12), with an extruding device (16) that comprises a drive wheel (21) for advancing the piston rod (13), a motor (22) for driving the drive wheel (21) as well as a planetary gear (23) that is interposed between the drive wheel (21) and the motor (22) and that has a gear rotational axis (24) and a ring gear (25). The ring gear (25) is provided with multiple recesses that are located along its circumference at intervals from each other. Moreover, the dispensing device (11) has an actuating switch (31) for actuating the motor (22) and a blocking element (36) that can be moved from a blocking position that blocks the ring gear (25) into a releasing position that releases this ring gear (25).

Abstract: A lubricant dispenser and an electrical tool. The dispenser includes a housing; a reservoir for containing lubricant; a pump assembly operable to pump lubricant; and a purge assembly including a channel defined by the housing and extending between the reservoir and atmosphere, at least a portion of the channel extending along a channel axis through an opening in the housing and to atmosphere, and a plunger slidable along a plunger axis between a sealed position, in which the reservoir is isolated from atmosphere, and an open position, in which the reservoir is in fluid communication with atmosphere, the plunger axis extending at an angle with respect to the channel axis. The purge assembly may include a biasing member operable to bias the plunger toward the sealed position. The tool may be a dispenser and may include a motor supported by the housing; a trigger; and a trigger lock assembly.

Abstract: There is provided a paste application device which can solve problems of an increased exclusively occupied space attributed to an arrangement of a syringe and of deterioration of a tube. In a paste application unit 15 (a paste application device) for applying a paste 7 stored in a syringe 16 to an application target material, a configuration is adopted in which a pump mechanism 18 for sending the paste 7 under pressure is formed by causing a discharge thread portion 32b provided at a lower portion of a rotary member 32 to rotate about an axis AX within a discharge space 31b provided in a casing portion 31, in which a discharge port 17a, which communicates with the discharge space 31b, is provided at an end portion of the casing portion 31, and in which the syringe 16 is disposed coaxially with the rotary member 32 for detachable connection thereto.

Abstract: An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a drive gear including a drive pin. The drive pin fits in a yoke slot for reciprocation of the yoke upon rotation of the drive gear. The yoke is operatively connected to the work piece. An air flow system cools the power tool housing. The housing has an inlet aperture in the handle portion and an outlet aperture for placing the interior of the housing in communication with the atmosphere. A wall integral with the handle portion engages the body of the motor housing between a first end and openings in the body. The wall provides a barrier to minimize air flow between an intake air portion of the interior of the housing and an exhaust air portion.

Abstract: A by-pass control system for a meat injection system has a variable speed pump that transports fluid to a meat injection machine. Excess fluid is transported to a by-pass control valve. The valve has a moveable piston disposed therein that separates the valve into a fluid chamber and an air chamber. The piston moves back and forth based on the relationship between fluid pressure and air pressure. Sensors are disposed within or through the lid or the valve to sense the position of the piston. A controller is connected to the sensors and the variable speed pump and adjusts the speed of the pump based on the position of the piston.

Abstract: A plunger for a syringe of a liquid dispenser comprises a tapered front end section 12 having at its rear end 16 an outer diameter slightly smaller than the inner diameter of the syringe, a cylindrical drum section 14 continued to the rear end 16 of the tapered front end section 12, having a maximum outer diameter substantially the same as the inner diameter of the syringe and opening there, and a collar member 24 (30, 32) slidably formed by coupling with an outer circumferential surface in the vicinity of an opening 22 of the drum section 14 and maintaining the close contact with an inner wall surface 26 of the syringe 18, thereby inclination toward the syringe is eliminated and action within the syringe is constantly made smooth.

Abstract: A viscous medium feeder, which has an inlet, an outlet, a tubular portion, a rotatable cylindrical shaft arranged in and extending coaxially with the tubular portion, and a drive motor connected to the shaft. The tubular portion has an internal thread, which is connected, at one end thereof, to the inlet, and, at the other end thereof, to the outlet. Further, the tubular portion is elastic, and the shaft abuts the inner wall portions of the tubular portion.

Abstract: An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a drive gear including a drive pin. The drive pin fits in a yoke slot for reciprocation of the yoke upon rotation of the drive gear. The yoke is operatively connected to the work piece. An air flow system cools the power tool housing. The housing has an inlet aperture in the handle portion and an outlet aperture for placing the interior of the housing in communication with the atmosphere. A wall integral with the handle portion engages the body of the motor housing between a first end and openings in the body. The wall provides a barrier to minimize air flow between an intake air portion of the interior of the housing and an exhaust air portion.

Abstract: A portable grease gun with the capability of being attached to either a grease containing barrel or a hose carrying grease from a grease supply container. An adapter may be mounted to the barrel mounting in place of a barrel to couple the grease gun to a hose connected to a grease supply container remote from the grease gun. Alternating plug may be mounted in the barrel mounting and a pumped grease supply coupled to the resupply port on the grease gun. The grease gun includes an output valve which restrains passage of grease at pressure below 30 psi.

Abstract: An apparatus converts rotary motion of a motor drive shaft into oscillatory motion of a work piece, for example, in a power tool. The apparatus comprises a planetary gear assembly connected to the motor for rotating an output gear. The output gear meshes with a drive gear including a drive pin. The drive pin fits in a yoke slot for reciprocation of the yoke upon rotation of the drive gear. The yoke is operatively connected to the work piece. An air flow system cools the power tool housing. The housing has an inlet aperture in the handle portion and an outlet aperture for placing the interior of the housing in communication with the atmosphere. A wall integral with the handle portion engages the body of the motor housing between a first end and openings in the body.

Abstract: An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed assembly, and inlet block contain electric heaters and thermocouples for maintaining the adhesive at a desired elevated temperature. A computer control system regulates the temperature in the dispenser, feed assembly, and inlet block and controls a dispensing motor in the dispenser. A preheater heats an adhesive cartridge prior to placement in the feed assembly.

Abstract: A portable grease gun with the capability of being attached to either a grease containing barrel or a hose carrying grease from a grease supply container. An adapter may be mounted to the barrel mounting in place of a barrel to couple the grease gun to a hose connected to a grease supply container remote from the grease gun. The grease gun includes an output valve which restrains passage of grease at pressure below 30 psi.

Abstract: A plunger for a syringe of a liquid dispenser comprises a tapered front end section 12 having at its rear end 16 an outer diameter slightly smaller than the inner diameter of the syringe, a cylindrical drum section 14 continued to the rear end 16 of the tapered front end section 12, having a maximum outer diameter substantially the same as the inner diameter of the syringe and opening there, and a collar member 24 (30, 32) slidably formed by coupling with an outer circumferential surface in the vicinity of an opening 22 of the drum section 14 and maintaining the close contact with an inner wall surface 26 of the syringe 18, thereby inclination toward the syringe is eliminated and action within the syringe is constantly made smooth.

Abstract: An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed assembly, and inlet block contain electric heaters and thermocouples for maintaining the adhesive at a desired elevated temperature. A computer control system regulates the temperature in the dispenser, feed assembly, and inlet block and controls a dispensing motor in the dispenser. A preheater heats an adhesive cartridge prior to placement in the feed assembly.

Abstract: A grease gun plunger for a grease gun having an oil injection channel includes a motor driving unit, a plunger unit, and a yoke. The plunger unit includes a bracket having a bracket cavity and an elongated slot longitudinally formed on a rear wall of the bracket to communicate with the bracket cavity, and a plunger pin downwardly extended from the bracket for slidably inserting into the oil injection channel. The yoke, which is substantially held in the bracket cavity of the bracket, has a sliding channel aligning with the elongated slot of the bracket, wherein the driving shaft is slidably inserted into the sliding channel through the elongated slot in such a manner that when the driving shaft is rotated to slide along the sliding channel, the yoke is driven to move in a reciprocating manner along a transverse direction.

Abstract: A pneumatic grease gun has a first compressed air chamber formed between a sleeve and a first piston set, and a second compressed air chamber formed between the sleeve and a second piston set so that the pressure of compressed air is double to increase the thrust force to push grease therefore make replenishment of fresh grease more effective. Moreover, grease is blocked by the two piston sets and the sleeve so that grease is prevented from returning and clogging the air vane and the life span of the pneumatic grease gun increases.

Abstract: A sanitary fill head and sanitary fill head assembly for dispensing viscous flowable materials including a housing having an inlet passage for receiving the viscous flowable material and an outlet passage from which the viscous flowable material is dispensed, a product dispenser for dispensing the viscous flowable material from the outlet passage, and a product flow regulator for adjustably regulating the rate of flow of the viscous flowable material into the chamber to accommodate viscous flowable materials having different physical properties.

Abstract: A pump having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke. A fluid dispenser is driven by the plunger between a charge position for charging a dispensing chamber with fluid and a discharge position for discharging fluid.

Abstract: Embodiments of the present invention are directed to a rotary sauce dispensing apparatus for applying a sauce on a receiving surface such as a pizza dough. In one embodiment, an apparatus for producing a flow of a sauce to a dispenser comprises an accumulator including an accumulator chamber with an accumulator inlet to receive and store the sauce and a dispense member configured to dispense the sauce from the accumulator chamber out through an accumulator outlet, and a pump configured to pump the sauce through the accumulator inlet to the accumulator chamber. A diverter valve is coupled with the accumulator and being movable between a closed position to close the accumulator outlet and an open position to open the accumulator outlet. A control member is coupled with the pump, the diverter valve, and the accumulator.

Abstract: An air operated grease gun has an air bleed valve comprising a threaded stem with a longitudinal groove operable to allow air to bleed from a grease pumping chamber and a grease supply passage. Grease from a cartridge flows through the grease supply passage into the pumping chamber when air is bled from the gun whereby a plunger reciprocating in the grease pumping chamber pumps grease past a check valve into a grease dispensing tube.

Abstract: An apparatus for dosing lubricant into a compressed air flow includes a lubricant container, a pneumatically operated lubricant pump, an injection channel, a non-return valve interposed between the outlet of the pump and the injection channel, and an electronic sensor cooperating with or coupled to the non-return valve so that the sensor emits an electrical signal responsive and corresponding to the stroke travel of the non-return valve. When the pump carries out a lubricant injection cycle, the pressurized lubricant pushes open the non-return valve, flows into the injection channel and from there into a main channel through which compressed air flows. The travel of the valve is sensed by the sensor, and the sensor signal indicates whether the lubricant injection was proper or faulty, e.g. if the proper amount of lubricant was injected.

Abstract: A grease gun having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke.

Abstract: A lubricant pump having a housing equipped with outlets and a lubricant chamber, and having a piston axially displaceable in an axial cylinder bore in the housing by means of an electrical drive arrangement. The piston is at a first end and has an axial outlet. A first portion of the axial outlet is connected to a through-opening arranged radially on the piston position and adapted in a predetermined piston position to connect the axial outlet to a predetermined outlet of the outlets. A second portion of the axial outlet of the piston is connected to the lubricant chamber by way of an inlet and a non-return valve to allow the bore to be filled with lubricant. The outlets are arranged essentially in succession to one another. The position sensor is adapted to signal the position of the piston in the event the piston stops.

Abstract: Continuously shooting pneumatic grease gun structure including an air chamber housing defining therein an elongated air chamber. A push hole extends from the air chamber through one end of the housing to outer side thereof. A piston is reciprocally axially movably disposed in the air chamber between a start position and an end position. When in the end position, the piston permits the air in the air chamber to pass through the piston and escape from an outlet passage of the housing. A grease push rod is coaxially fitted in the push hole and synchronously movable along with the piston. A restoring spring is compressed between the end of the housing and the piston to resiliently keep the piston in the start position. A controlling valve is movably disposed on the housing between an open position and a close position.

Abstract: A unitary one-piece, disposable package includes a canister for storing a product. A pump housing formed integrally with the canister contains a progressive cavity pump that pumps product from the canister to an outlet chamber of the pump housing and out an outlet from the chamber. A product dispenser for use with the unitary one-piece, disposable package includes a housing, a chamber in the housing for receiving the package, and a motor within the housing for driving the progressive cavity pump of the package. An alternative product dispenser includes a housing having a chamber for receiving a product canister wherein the chamber facilitates communication of product from the canister to a pump chamber. A progressive cavity pump mounts within the pump chamber for pumping product from the canister out an outlet from the pump chamber. A motor within the housing drives the progressive cavity pump.

Abstract: The present invention relates to an anti-reverse structure of a continuous pneumatic oil feeding gun. An anti-reverse valve is mounted in the gun bore and includes a valve body formed with an annular groove communicated with the oil supply hole, an oil inlet hole connected between the annular groove and the bore of the bore body, and an oil outlet hole connected between the bore of the bore body and the oil supply hole. Each of the oil inlet and outlet holes is formed with an enlarged receiving space for receiving a ball. The enlarged receiving space is formed with a reduced catch portion to prevent from falling of the ball.

Abstract: The present invention relates to a grease gun having an automatic continuous feeding device, including a gun body, a piston chamber, a piston, a spring, a barrel chamber, a plunger, a container, a switch valve, and a trigger. Thus, the piston may be moved reciprocally and automatically by pressing the trigger successively, so that the grease in the container may be ejected outward continuously without having to compress and loosen the trigger repeatedly, thereby facilitating the user operating the grease gun.

Abstract: This cake decorator has an axial cylinder and a powered piston controlled by twisting an axial rotary actuator switch in one direction or another.

Abstract: A unitary one-piece, disposable package includes a canister for storing a product. A pump housing formed integrally with the canister contains a progressive cavity pump that pumps product from the canister to an outlet chamber of the pump housing and out an outlet from the chamber. A product dispenser for use with the unitary one-piece, disposable package includes a housing, a chamber in the housing for receiving the package, and a motor within the housing for driving the progressive cavity pump of the package.

Abstract: A piston pump elevator having fluid level measurement capability which is capable of providing an electrical signal proportional to the approximate amount of fluid remaining in a container from which fluid is being withdrawn.

Abstract: This invention is directed to a method of lubricating an object. The method involves the steps of spraying lubricant on a rotating object, and synchronizing the duration of spray to the rotation of the object so that the spray continues only for an interval of spray time corresponding to rotation of the object through a predetermined range of rotation. Apparatus for spraying lubricant on a rotating object is also disclosed.

Abstract: A container for storing pasty or fluidic compositions and apportioned dispensing of the same. The container includes a container body with parallel inner walls; and a movable plunger element, which divides the container body into a compressed-air portion and a storage portion, intended for receiving the pasty or fluidic composition. The plunger can be displaced into the storage portion by introducing compressed air into the compressed-air portion. A compressed-air feed opening is provided, via which compressed air can be blown in from a supply element. A container cover is provided on the body. A dispensing opening is provided in the storage portion, from which the composition emerges, controlled by the amount of compressed air fed in.

Abstract: The apparatus is comprised of a dosing chamber which is internally provided with a piston displaceable freely by means of pasty material introduced through a first extremity of said chamber from a first position to a second position, the piston being then actuated by means of a pressure fluid introduced through a second extremity to return to said first position, thereby displacing a volume being ejected through the extremity which is associated by sealed closing means to an opening of a housing wherein is housed a valve body with means to move the body inside the housing thereby communicating an inlet with said chamber, and alternatingly, communicating said chamber with an outlet conduit having emptying piston.

Abstract: A method and an installation for dispensing a flowable material. The material (11) is contained in a sleeve 60 positioned in a container (12) underneath a follower plate (36). The follower plate (36) is moved into the container (12) and in the process the material (11) is dispensed via a conduit system. On its contour, the follower plate (36) has a sealing element (50) which can be displaced between a sealing position and a retracted position. In the sealing position this sealing element (50) rests against the inner container surface (16) and constitutes a sealing device. In the retracted position the sealing element (50) is spaced apart from the inner container wall (16) and, together with the latter, delimits an opening (50) for venting the space underneath the follower plate (36).

Abstract: A dispenser for ejecting a volume of fluid. The dispenser is adapted for connection thereof in a system for supplying fluid under pressure thereto for charging it with fluid to be dispensed. A system for delivery of the volume of fluid ejected by the dispenser includes a discharge valve adapted to be closed for the charging of the dispenser and to be opened for ejecting the volume. An energy accumulator for accumulating energy for actuating the dispenser to eject the volume of fluid is accumulative of the dispenser-actuable energy in response to the supplying of fluid under pressure to the dispenser for charging it.

Abstract: In the housing is a motor and gear train driven by the motor, the train adapted to selectively engage a gear rack secured to the compression element to drive it down to squeeze the collapsible frosting container. When the train has moved into engagement, it closes a switch activating the motor.